Most astrology texts don't even mention the little-known aspect called the quin-decile, a 165-degree relationship between planets which can point to obsessive-compulsive tendencies in the horoscope. Yet almost all of us have some degree of obsessive-compulsion in our work lives, relationships, leisure activities, etc. This book covers the psychological dynamics involved; planetary placement by sign, element and triplicity; the quindecile aspect and its use and more.